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comparison src/cpu/x86/vm/sharedRuntime_x86_64.cpp @ 10475:3489047ffea2

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Restructure the handling of HotSpotInstalledCode and their link to nmethods.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Fri, 21 Jun 2013 18:26:52 +0200
parents 36bcc10e01c0
children 40b8c383bc31
comparison
equal deleted inserted replaced
10474:55827d611da7 10475:3489047ffea2
37 #ifdef COMPILER1 37 #ifdef COMPILER1
38 #include "c1/c1_Runtime1.hpp" 38 #include "c1/c1_Runtime1.hpp"
39 #endif 39 #endif
40 #ifdef COMPILER2 40 #ifdef COMPILER2
41 #include "opto/runtime.hpp" 41 #include "opto/runtime.hpp"
42 #endif
43 #ifdef GRAAL
44 #include "graal/graalJavaAccess.hpp"
42 #endif 45 #endif
43 46
44 #define __ masm-> 47 #define __ masm->
45 48
46 const int StackAlignmentInSlots = StackAlignmentInBytes / VMRegImpl::stack_slot_size; 49 const int StackAlignmentInSlots = StackAlignmentInBytes / VMRegImpl::stack_slot_size;
1672 1675
1673 #ifdef GRAAL 1676 #ifdef GRAAL
1674 if (iid == vmIntrinsics::_CompilerToVMImpl_executeCompiledMethod) { 1677 if (iid == vmIntrinsics::_CompilerToVMImpl_executeCompiledMethod) {
1675 // We are called from compiled code here. The three object arguments 1678 // We are called from compiled code here. The three object arguments
1676 // are already in the correct registers (j_rarg0, jrarg1, jrarg2). The 1679 // are already in the correct registers (j_rarg0, jrarg1, jrarg2). The
1677 // fourth argument (j_rarg3) is a raw pointer to the nmethod. Make a tail 1680 // fourth argument (j_rarg3) is a pointer to the HotSpotInstalledCode object.
1678 // call to its verified entry point. 1681
1682 // Load the nmethod pointer from the HotSpotInstalledCode object
1683 __ movq(j_rarg3, Address(j_rarg3, sizeof(oopDesc)));
1684
1685 // Check whether the nmethod was invalidated
1686 __ testq(j_rarg3, j_rarg3);
1687 Label invalid_nmethod;
1688 __ jcc(Assembler::zero, invalid_nmethod);
1689
1690 // Perform a tail call to the verified entry point of the nmethod.
1679 __ jmp(Address(j_rarg3, nmethod::verified_entry_point_offset())); 1691 __ jmp(Address(j_rarg3, nmethod::verified_entry_point_offset()));
1692
1693 __ bind(invalid_nmethod);
1694 __ xorq(rax, rax);
1695 __ ret(0);
1680 return; 1696 return;
1681 } 1697 }
1682 #endif 1698 #endif
1683 1699
1684 // Now write the args into the outgoing interpreter space 1700 // Now write the args into the outgoing interpreter space